Journal of Plant Biology

, 49:315 | Cite as

Photosynthetic rates and antioxidant enzyme activity ofPlatanus occidentalis growing under two levels of air pollution along the streets of Seoul



We investigated the net photosynthetic rates and antioxidative enzyme activity inPlatanus occidentalis trees growing on two separate streets in Seoul, and representing different degrees of air pollution. In general, concentrations of SO2, NO2, and PM10 decreased from May to September. The photosynthetic rate was reduced significantly on the street with higher levels of pollution. Moreover, activities of two antioxidative enzymes, ascorbate peroxidase and glutathione reductase, were greater in May along the more polluted street. These data suggest thatP. occidentalis growing in highly polluted environments may increase their antioxidant enzyme activity to compensate for and to minimize the damage from this stress.


antioxidative enzymes stress compensation 

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Copyright information

© The Botanical Society of Korea 2006

Authors and Affiliations

  1. 1.Department of Environmental HorticultureUniversity of SeoulSeoulKorea

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